Home / 206,108.46-309,089.78-98,025.10

Finding the Fourth Proportional to 206,108.46, 309,089.78 and 98,025.10

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Solution

The fourth proportional to 206,108.46, 309,089.78 and 98,025.10 is: 147,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,108.46 : 309,089.78 = 98,025.10 : x
  2. Step 2: Convert to fraction form
    206,108.46/309,089.78 = 98,025.10/x
  3. Step 3: Cross multiply
    206,108.46x = 309,089.78 × 98,025.10
  4. Step 4: Simplify right side
    206,108.46x = 30,298,555,048.03
  5. Step 5: Solve for x
    x = 30,298,555,048.03/206,108.46
  6. Step 6: Final answer
    x = 147,002.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.